144 Core GYTC8S Fiber Optic Cable Armor Stranded Loose Tube Steel Wire Strength Waterproof Figure 8 Self Supporting Outdoor GYTC8S cable, single-mode/multimode fibers are positioned in the loose tubes, which are made of high modulus plastic, while the loose tubes. 144 Core GYTC8S Fiber Optic Cable Armor Stranded Loose Tube Steel Wire Strength Waterproof Figure 8 Self Supporting Outdoor GYTC8S cable, single-mode/multimode fibers are positioned in the loose tubes, which are made of high modulus plastic, while the loose tubes. GYTS outdoor fiber optic cable, is also called multi loose tube steel tape external cable, is consisted of 250um fibers held in oil filled PBT loose tubes wrapped around a phosphatized steel wire central strength member. This is surrounded by either water blocking jelly, a aluminum tape laminated. Corning SST-Ribbon gel-free cables represent a truly innovative breakthrough in outside plant cable technology. Providing up to 216 fibers in a compact design, the enhanced coupling features ensure the ribbon stack and cable act as one unit, providing long-term reliability in aerial, duct and. 144‑Core GYTY53 Fiber Optic Cable is a high‑capacity, outdoor armored fiber cable designed for backbone and long‑distance telecommunication networks. The structure consists of single-mode or multi-mode optical fibers sheathed in high modulus plastic waterproof. l Chlled with waterproof compound. The center of the cable c re is a metal reinforced core.